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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-381.040797
Energy at 298.15K-381.043916
HF Energy-380.940535
Nuclear repulsion energy48.531952
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3266 3119 0.45      
2 A' 3170 3027 2.78      
3 A' 2390 2282 86.71      
4 A' 1460 1394 0.31      
5 A' 1043 996 27.12      
6 A' 999 954 0.53      
7 A' 744 711 0.47      
8 A" 924 883 32.39      
9 A" 868 829 27.11      

Unscaled Zero Point Vibrational Energy (zpe) 7432.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 7097.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31G(2df,p)
ABC
4.65858 0.54791 0.49025

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.071 0.000
P2 0.056 -0.596 0.000
H3 -0.829 1.696 0.000
H4 1.003 1.600 0.000
H5 -1.355 -0.783 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66671.08381.08502.3294
P21.66672.45722.39171.4235
H31.08382.45721.83452.5342
H41.08502.39171.83453.3525
H52.32941.42352.53423.3525

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.535 P2 C1 H3 125.257
P2 C1 H4 119.213 H3 C1 H4 115.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.288      
2 P -0.078      
3 H 0.155      
4 H 0.153      
5 H 0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.549 1.015 0.000 1.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.587 1.079 0.000
y 1.079 -19.225 0.000
z 0.000 0.000 -21.439
Traceless
 xyz
x 0.745 1.079 0.000
y 1.079 1.288 0.000
z 0.000 0.000 -2.033
Polar
3z2-r2-4.067
x2-y2-0.362
xy1.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.552 0.285 0.000
y 0.285 6.628 0.000
z 0.000 0.000 3.432


<r2> (average value of r2) Å2
<r2> 34.439
(<r2>)1/2 5.868